// Name: menuitem.cpp
// Purpose: wxMenuItem implementation
// Author: Vadim Zeitlin
-// Modified by:
+// Modified by:
// Created: 11.11.97
// RCS-ID: $Id$
// Copyright: (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
// Licence: wxWindows license
///////////////////////////////////////////////////////////////////////////////
-// ============================================================================
-// headers & declarations
-// ============================================================================
+// ===========================================================================
+// declarations
+// ===========================================================================
+
+// ---------------------------------------------------------------------------
+// headers
+// ---------------------------------------------------------------------------
+
+#ifdef __GNUG__
+ #pragma implementation "menuitem.h"
+#endif
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
-#pragma hdrstop
+ #pragma hdrstop
#endif
+#if wxUSE_MENUS
+
#ifndef WX_PRECOMP
-#include "wx/menu.h"
+ #include "wx/font.h"
+ #include "wx/bitmap.h"
+ #include "wx/settings.h"
+ #include "wx/font.h"
+ #include "wx/window.h"
+ #include "wx/accel.h"
+ #include "wx/menu.h"
+ #include "wx/string.h"
#endif
-#include "wx/ownerdrw.h"
#include "wx/menuitem.h"
+#include "wx/log.h"
-#include <windows.h>
+#if wxUSE_ACCEL
+ #include "wx/accel.h"
+#endif // wxUSE_ACCEL
+
+#include "wx/msw/private.h"
+
+// ---------------------------------------------------------------------------
+// macro
+// ---------------------------------------------------------------------------
+
+// hide the ugly cast
+#define GetHMenuOf(menu) ((HMENU)menu->GetHMenu())
+
+// conditional compilation
+#if wxUSE_OWNER_DRAWN
+ #define OWNER_DRAWN_ONLY( code ) if ( IsOwnerDrawn() ) code
+#else // !wxUSE_OWNER_DRAWN
+ #define OWNER_DRAWN_ONLY( code )
+#endif // wxUSE_OWNER_DRAWN/!wxUSE_OWNER_DRAWN
// ============================================================================
// implementation
// dynamic classes implementation
// ----------------------------------------------------------------------------
-#if !defined(USE_SHARED_LIBRARY) || !USE_SHARED_LIBRARY
-#if wxUSE_OWNER_DRAWN
- IMPLEMENT_DYNAMIC_CLASS2(wxMenuItem, wxObject, wxOwnerDrawn)
-#else //!USE_OWNER_DRAWN
- IMPLEMENT_DYNAMIC_CLASS(wxMenuItem, wxObject)
-#endif //USE_OWNER_DRAWN
-
-#endif //USE_SHARED_LIBRARY
+IMPLEMENT_DYNAMIC_CLASS(wxMenuItem, wxObject)
// ----------------------------------------------------------------------------
// wxMenuItem
// ctor & dtor
// -----------
-wxMenuItem::wxMenuItem(wxMenu *pParentMenu, int id,
- const wxString& strName, const wxString& strHelp,
- bool bCheckable,
- wxMenu *pSubMenu) :
+wxMenuItem::wxMenuItem(wxMenu *pParentMenu,
+ int id,
+ const wxString& text,
+ const wxString& strHelp,
+ wxItemKind kind,
+ wxMenu *pSubMenu)
+ : wxMenuItemBase(pParentMenu, id, text, strHelp, kind, pSubMenu)
#if wxUSE_OWNER_DRAWN
- wxOwnerDrawn(strName, bCheckable),
-#else //no owner drawn support
- m_bCheckable(bCheckable),
- m_strName(strName),
-#endif //owner drawn
- m_strHelp(strHelp)
+ , wxOwnerDrawn(GetLabelFromText(text), kind == wxITEM_CHECK)
+#endif // owner drawn
{
- wxASSERT( pParentMenu != NULL );
+ Init();
+}
+
+wxMenuItem::wxMenuItem(wxMenu *parentMenu,
+ int id,
+ const wxString& text,
+ const wxString& help,
+ bool isCheckable,
+ wxMenu *subMenu)
+ : wxMenuItemBase(parentMenu, id, text, help,
+ isCheckable ? wxITEM_CHECK : wxITEM_NORMAL, subMenu)
+#if wxUSE_OWNER_DRAWN
+ , wxOwnerDrawn(GetLabelFromText(text), isCheckable)
+#endif // owner drawn
+{
+ Init();
+}
+
+void wxMenuItem::Init()
+{
+ m_radioGroup.start = -1;
+ m_isRadioGroupStart = FALSE;
#if wxUSE_OWNER_DRAWN
// set default menu colors
- #define SYS_COLOR(c) (wxSystemSettings::GetSystemColour(wxSYS_COLOUR_##c))
-
+ #define SYS_COLOR(c) (wxSystemSettings::GetColour(wxSYS_COLOUR_##c))
+
SetTextColour(SYS_COLOR(MENUTEXT));
SetBackgroundColour(SYS_COLOR(MENU));
+ #undef SYS_COLOR
+
// we don't want normal items be owner-drawn
ResetOwnerDrawn();
- #undef SYS_COLOR
-#endif
-
- m_pParentMenu = pParentMenu;
- m_pSubMenu = pSubMenu;
- m_idItem = id;
- m_bEnabled = TRUE;
+ // tell the owner drawing code to to show the accel string as well
+ SetAccelString(m_text.AfterFirst(_T('\t')));
+#endif // wxUSE_OWNER_DRAWN
}
-wxMenuItem::~wxMenuItem()
+wxMenuItem::~wxMenuItem()
{
}
// misc
// ----
-// delete the sub menu
-void wxMenuItem::DeleteSubMenu()
+// return the id for calling Win32 API functions
+int wxMenuItem::GetRealId() const
+{
+ return m_subMenu ? (int)m_subMenu->GetHMenu() : GetId();
+}
+
+// get item state
+// --------------
+
+bool wxMenuItem::IsChecked() const
+{
+ int flag = ::GetMenuState(GetHMenuOf(m_parentMenu), GetId(), MF_BYCOMMAND);
+
+ return (flag & MF_CHECKED) != 0;
+}
+
+/* static */
+wxString wxMenuItemBase::GetLabelFromText(const wxString& text)
+{
+ return wxStripMenuCodes(text);
+}
+
+// radio group stuff
+// -----------------
+
+void wxMenuItem::SetAsRadioGroupStart()
+{
+ m_isRadioGroupStart = TRUE;
+}
+
+void wxMenuItem::SetRadioGroupStart(int start)
+{
+ wxASSERT_MSG( !m_isRadioGroupStart,
+ _T("should only be called for the next radio items") );
+
+ m_radioGroup.start = start;
+}
+
+void wxMenuItem::SetRadioGroupEnd(int end)
{
- wxASSERT( m_pSubMenu != NULL );
+ wxASSERT_MSG( m_isRadioGroupStart,
+ _T("should only be called for the first radio item") );
- delete m_pSubMenu;
- m_pSubMenu = NULL;
+ m_radioGroup.end = end;
}
// change item state
// -----------------
-void wxMenuItem::Enable(bool bDoEnable)
+void wxMenuItem::Enable(bool enable)
{
- if ( m_bEnabled != bDoEnable ) {
- if ( m_pSubMenu == NULL ) { // normal menu item
- EnableMenuItem((HMENU)m_pParentMenu->GetHMenu(), m_idItem,
- MF_BYCOMMAND | (bDoEnable ? MF_ENABLED: MF_GRAYED));
+ if ( m_isEnabled == enable )
+ return;
+
+ long rc = EnableMenuItem(GetHMenuOf(m_parentMenu),
+ GetRealId(),
+ MF_BYCOMMAND |
+ (enable ? MF_ENABLED : MF_GRAYED));
+
+ if ( rc == -1 ) {
+ wxLogLastError(wxT("EnableMenuItem"));
+ }
+
+ wxMenuItemBase::Enable(enable);
+}
+
+void wxMenuItem::Check(bool check)
+{
+ wxCHECK_RET( IsCheckable(), wxT("only checkable items may be checked") );
+
+ if ( m_isChecked == check )
+ return;
+
+ int flags = check ? MF_CHECKED : MF_UNCHECKED;
+ HMENU hmenu = GetHMenuOf(m_parentMenu);
+
+ if ( GetKind() == wxITEM_RADIO )
+ {
+ // it doesn't make sense to uncheck a radio item - what would this do?
+ if ( !check )
+ return;
+
+ // get the index of this item in the menu
+ const wxMenuItemList& items = m_parentMenu->GetMenuItems();
+ int pos = items.IndexOf(this);
+ wxCHECK_RET( pos != wxNOT_FOUND,
+ _T("menuitem not found in the menu items list?") );
+
+ // get the radio group range
+ int start,
+ end;
+
+ if ( m_isRadioGroupStart )
+ {
+ // we already have all information we need
+ start = pos;
+ end = m_radioGroup.end;
+ }
+ else // next radio group item
+ {
+ // get the radio group end from the start item
+ start = m_radioGroup.start;
+ end = items.Item(start)->GetData()->m_radioGroup.end;
+ }
+
+#ifdef __WIN32__
+ // calling CheckMenuRadioItem() with such parameters hangs my system
+ // (NT4 SP6) and I suspect this could happen to the others as well - so
+ // don't do it!
+ wxCHECK_RET( start != -1 && end != -1,
+ _T("invalid ::CheckMenuRadioItem() parameter(s)") );
+
+ if ( !::CheckMenuRadioItem(hmenu,
+ start, // the first radio group item
+ end, // the last one
+ pos, // the one to check
+ MF_BYPOSITION) )
+ {
+ wxLogLastError(_T("CheckMenuRadioItem"));
+ }
+#endif // __WIN32__
+
+ // also uncheck all the other items in this radio group
+ wxMenuItemList::Node *node = items.Item(start);
+ for ( int n = start; n <= end && node; n++ )
+ {
+ if ( n != pos )
+ {
+ node->GetData()->m_isChecked = FALSE;
+ }
+
+ // we also have to do it in the menu for Win16 (under Win32
+ // CheckMenuRadioItem() does it for us)
+#ifndef __WIN32__
+ ::CheckMenuItem(hmenu, n, n == pos ? MF_CHECKED : MF_UNCHECKED);
+#endif // Win16
+
+ node = node->GetNext();
+ }
}
- else // submenu
+ else // check item
{
- wxMenu *father = m_pSubMenu->m_topLevelMenu ;
- wxNode *node = father->m_menuItems.First() ;
- int i = 0 ;
- while (node) {
- wxMenuItem *matched = (wxMenuItem*)node->Data();
- if ( matched == this)
- break;
- i++;
- node = node->Next();
- }
- EnableMenuItem((HMENU)father->m_savehMenu, i,
- MF_BYPOSITION | (bDoEnable ? MF_ENABLED: MF_GRAYED));
+ if ( ::CheckMenuItem(hmenu,
+ GetRealId(),
+ MF_BYCOMMAND | flags) == (DWORD)-1 )
+ {
+ wxLogLastError(wxT("CheckMenuItem"));
+ }
}
- m_bEnabled = bDoEnable;
- }
+ wxMenuItemBase::Check(check);
}
-void wxMenuItem::Check(bool bDoCheck)
+void wxMenuItem::SetText(const wxString& text)
{
- wxCHECK_RET( IsCheckable(), "only checkable items may be checked" );
+ // don't do anything if label didn't change
+ if ( m_text == text )
+ return;
- if ( m_bChecked != bDoCheck ) {
- CheckMenuItem((HMENU)m_pParentMenu->GetHMenu(), m_idItem,
- MF_BYCOMMAND | (bDoCheck ? MF_CHECKED : MF_UNCHECKED));
+ wxMenuItemBase::SetText(text);
+ OWNER_DRAWN_ONLY( wxOwnerDrawn::SetName(text) );
+
+ HMENU hMenu = GetHMenuOf(m_parentMenu);
+ wxCHECK_RET( hMenu, wxT("menuitem without menu") );
+
+#if wxUSE_ACCEL
+ m_parentMenu->UpdateAccel(this);
+#endif // wxUSE_ACCEL
+
+ UINT id = GetRealId();
+ UINT flagsOld = ::GetMenuState(hMenu, id, MF_BYCOMMAND);
+ if ( flagsOld == 0xFFFFFFFF )
+ {
+ wxLogLastError(wxT("GetMenuState"));
+ }
+ else
+ {
+ if ( IsSubMenu() )
+ {
+ // high byte contains the number of items in a submenu for submenus
+ flagsOld &= 0xFF;
+ flagsOld |= MF_POPUP;
+ }
+
+ LPCTSTR data;
+
+#if wxUSE_OWNER_DRAWN
+ if ( IsOwnerDrawn() )
+ {
+ flagsOld |= MF_OWNERDRAW;
+ data = (LPCTSTR)this;
+ }
+ else
+#endif //owner drawn
+ {
+ flagsOld |= MF_STRING;
+ data = (wxChar*) text.c_str();
+ }
+
+ if ( ::ModifyMenu(hMenu, id,
+ MF_BYCOMMAND | flagsOld,
+ id, data) == (int)0xFFFFFFFF )
+ {
+ wxLogLastError(wxT("ModifyMenu"));
+ }
+ }
+}
+
+void wxMenuItem::SetCheckable(bool checkable)
+{
+ wxMenuItemBase::SetCheckable(checkable);
+ OWNER_DRAWN_ONLY( wxOwnerDrawn::SetCheckable(checkable) );
+}
+
+// ----------------------------------------------------------------------------
+// wxMenuItemBase
+// ----------------------------------------------------------------------------
+
+wxMenuItem *wxMenuItemBase::New(wxMenu *parentMenu,
+ int id,
+ const wxString& name,
+ const wxString& help,
+ wxItemKind kind,
+ wxMenu *subMenu)
+{
+ return new wxMenuItem(parentMenu, id, name, help, kind, subMenu);
+}
- m_bChecked = bDoCheck;
- }
-}
\ No newline at end of file
+#endif // wxUSE_MENUS
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